COSMOS 98
| Launched | 26 November 1965 |
| Flight ended | 4 December 1965 |
| Status | Decayed |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 1780 |
| COSPAR ID | 1965-097A |
| Observing |